<%--
  Created by IntelliJ IDEA.
  User: 赁佳
  Date: 2018/5/20
  Time: 15:51
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    if (session.getAttribute("isLogin") == null) {
        //没有登录的话就跳转到login.jsp
        response.sendRedirect("login.jsp");
    }
%>
